package com.cxh.mchat.common.security.service;

import com.cxh.mchat.common.constant.StatusConstant;
import com.cxh.mchat.common.security.bean.LoginUser;
import com.cxh.mchat.user.entity.User;
import com.cxh.mchat.user.service.IUserService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Service;
import org.springframework.util.StringUtils;

/**
 * @author cxh
 * @date 2021/12/27 18:12
 **/
@Service
public class UserDetailsServiceImpl implements UserDetailsService
{
    private static final Logger log = LoggerFactory.getLogger(UserDetailsServiceImpl.class);

    @Autowired
    private IUserService userService;

    @Override
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException
    {
        User user = userService.selectByUserNo(username);
        if (StringUtils.isEmpty(user))
        {
            log.info("登录用户：{} 不存在.", username);
            throw new RuntimeException("登录用户：" + username + " 不存在");
        }
        else if (StatusConstant.DELETED.equals(user.getStatus()))
        {
            log.info("登录用户：{} 已被删除.", username);
            throw new RuntimeException("对不起，您的账号：" + username + " 已被删除");
        }
        else if (StatusConstant.FALSE.equals(user.getStatus()))
        {
            log.info("登录用户：{} 已被停用.", username);
            throw new RuntimeException("对不起，您的账号：" + username + " 已停用");
        }

        return createLoginUser(user);
    }

    public UserDetails createLoginUser(User user)
    {
        LoginUser loginUser = new LoginUser();
        loginUser.setUserNo(user.getUserNo());
        loginUser.setUser(user);
        return loginUser;
    }
}
